Glass Bottom TourExplore the shipwrecks, underwater historic artifacts of Lake superior. View the legends that lie below the waters of Lake Superior. The crystal clear waters and our large “Glass Bottom” viewing wells allow you to dive to the bottom – without getting wet! The Superior Princess will take you on a comfortable adventure into the legend and lore of Lake Superior and the Apostle Islands. This is a memorable experience for visitors of all ages! The Glass Bottom Boat Tour lasts approximately 3 hours. -